CAPSI ·

Run it. Find the computers. Send.

Messages and files, device to device.

  • No cloud.
  • No accounts.
  • No unnecessary infrastructure.

Just run Capsi and connect.

Windows · Direct .exe download · Local network only

How it works

  1. Run

    Download Capsi and launch it.

  2. Find

    Capsi automatically finds compatible computers on your local network.

  3. Send

    Send messages and files directly between devices.

Features

Small scope, on purpose. Everything Capsi does serves local communication.

Local Network

Works between devices on the same network.

Device Discovery

Find nearby Capsi devices automatically.

Messages

Send messages directly between connected devices.

File Transfer

Send files directly from one device to another.

No Cloud

Capsi does not require cloud infrastructure for local communication.

No Account

No signup, login, or social profile required.

Your network. Your devices. Your data.

Capsi is designed for environments where communication should stay on the local network.

No external server is required for basic device-to-device communication.

This makes Capsi suitable for offices, homes, labs, classrooms, workshops, and other local environments.

Built for Windows.

Download Capsi, run the .exe, and get started.

Download for Windows

Ready to connect?

Download Capsi and start sending messages and files across your local network.

Download Capsi

Windows · Free to download